msvcp90: Added setprecision implementation.

dlls/msvcp90/ios.c

@@ -132,6 +132,11 @@ static inline const char* debugstr_fpos_int(fpos_int *fpos)
 }
 
 typedef struct {
+    void (__cdecl *pfunc)(ios_base*, streamsize);
+    streamsize arg;
+} manip_streamsize;
+
+typedef struct {
     const vtable_ptr *vtable;
     mutex lock;
     char *rbuf;
@@ -5541,6 +5546,22 @@ basic_filebuf_char* __thiscall basic_fstream_char_rdbuf(const basic_fstream_char
     return (basic_filebuf_char*)&this->filebuf;
 }
 
+static void __cdecl setprecision_func(ios_base *base, streamsize prec)
+{
+    ios_base_precision_set(base, prec);
+}
+
+/* ?setprecision@std@@YA?AU?$_Smanip@H@1@H@Z */
+/* ?setprecision@std@@YA?AU?$_Smanip@_J@1@_J@Z */
+manip_streamsize* __cdecl setprecision(manip_streamsize *ret, streamsize prec)
+{
+    TRACE("(%p %ld)\n", ret, prec);
+
+    ret->pfunc = setprecision_func;
+    ret->arg = prec;
+    return ret;
+}
+
 static basic_filebuf_char filebuf_stdin;
 /* ?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A */
 struct {

dlls/msvcp90/msvcp90.spec

@@ -5348,8 +5348,8 @@
 @ cdecl -arch=win64 ?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W00@Z(ptr ptr ptr ptr) basic_streambuf_wchar_setp_next
 @ thiscall -arch=win32 ?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAEXPA_W0@Z(ptr ptr ptr) basic_streambuf_wchar_setp
 @ cdecl -arch=win64 ?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W0@Z(ptr ptr ptr) basic_streambuf_wchar_setp
-@ stub -arch=win32 ?setprecision@std@@YA?AU?$_Smanip@H@1@H@Z
-@ stub -arch=win64 ?setprecision@std@@YA?AU?$_Smanip@_J@1@_J@Z
+@ cdecl -arch=win32 ?setprecision@std@@YA?AU?$_Smanip@H@1@H@Z(ptr long) setprecision
+@ cdecl -arch=win64 ?setprecision@std@@YA?AU?$_Smanip@_J@1@_J@Z(ptr long) setprecision
 @ thiscall -arch=win32 ?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z(ptr long long) basic_ios_char_setstate_reraise
 @ cdecl -arch=win64 ?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z(ptr long long) basic_ios_char_setstate_reraise
 @ thiscall -arch=win32 ?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXI@Z(ptr long) basic_ios_char_setstate